Unconventional oil

https://www.wikidata.org/wiki/Q1147488

Field Hierarchy

Parent
Biology 34.8M papers	Chemistry 28.4M papers	Engineering 23.9M papers	Organic chemistry 12.8M papers
Geology 9.1M papers	Ecology 7.8M papers	Paleontology 5.3M papers	Waste management 1.5M papers
Fossil fuel 99.4k papers		Oil shale 60k papers
Current
Unconventional oil 6,907 papers
Child
Shale oil extraction 1,350 papers	Oil shale gas 1,333 papers	Shell in situ conversion process 1,082 papers	Synthetic crude 1,009 papers

Trends

Notes

History